Question about Dell OptiPlex GX280 PC Desktop

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How do i access the tower on a dell 745 desktop

Posted by Anonymous on

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  • Dell Master
  • 998 Answers

Posted on Oct 09, 2014

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Posted on Jan 02, 2017

prince07
  • 79 Answers

SOURCE: dell desktop optiplex 745 it

If you think your vga card is not responding?? just try to insert another vga card in your expansion slot.
Otherwise you mean your computer have no display first try to switch on your pc and try to hear your computer fans are all working..if it is working just try to re install your RAM and u must clean it with a cloth.

Posted on Sep 04, 2011

SOURCE: My Dell Optiplex 745 Desktop

Hello,
The orange blinking on your desktop power button says that there's a problem with either the power supply or the motherboard itself.
Please refer to this link for the diagnostic lights on dell computers.
What you can do is: 1. unplug the power cord 2. press the power button, hold on it for more than 5 secs 3. re-plug the power cord on your CPU 4. test if it the system will work.
If this troubleshooting step does not help, that means it is more likely that the problem is with the motherboard.
Hope this helps!

Posted on Sep 14, 2011

Junior21
  • 24 Answers

SOURCE: dell desktop optiplex 745 its

purchased a video card maybe the built in video card already have a problem, it think there is a available slot for the video card for you to put.

Posted on Sep 15, 2011

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Chris, what happens when you plug the hdmi connector into the TV and your adapter, while your computer is running and connected to the adapter?
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Hi if the service tag is missing off the tower do the following.

Turn the PC on and press the F2 key to enter the BIOS screen, now look under the General option - System information, the service tag is listed here.

Click Exit to reboot the PC, now using another PC go to www.dell.co.uk and select the Support - Work option, then enter the tag number and down load the drivers to a USB stick and then install them on your PC.

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2 Answers

Bought a used Dell Optiplex 745 Desktop Computer. Seems to boot up okay, but no video. Want to check inside to see if any connectors are loose. How do you remove off the cover(s)?; I don't see any screws...


Hello,

To remove the side of the Dell Optiplex 745 cases you need to push the release latch on the back either top or side depending on whether it is a tower or a desktop. The latch just slides back and the side will release and the cover will pop loose. The normal issue with this model is not a bad video card, it is bad capacitors on the motherboard. We repair these boards all the time for a federal prison that is located near our office. Look over this guide we have posted on our site that explains what to look for and what to do about it. http://www.ccl-la.com/blog/index.php/dell-optiplex-745-repair/ The repair is easy to do if you can solder, We have 4 units in right now for repair. Check out your board, I would bet his is what your problem is.

I hope this helps, if so please rate our solution.

BuddyMc

Jan 20, 2011 | Dell OPTIPLEX 745 PC Desktop

2 Answers

I powered off my Dell Optiplex 745 as normal one night before bed. The next morning I went to turn it on and it just displayed a yellow flashing light where it normally displays a green light. The fan did...


Hello,

This model has been having problems with the motherboard that can cause that exact problem, Not powering up, Flashing yellow light or locking up right after booting up. The first thing to check is parts called capacitors on the motherboard. We have an article posted on our web site at: http://www.ccl-la.com/blog/index.php/dell-optiplex-745-repair/ that has detailed pictures and information about this issue. The pictures are of the tower case Optilpex 745 but the board is the same for your unit. Check it out and see if your board has this issue. If you can solder then you should be able to fix it yourself for less than $15.00 If your board does not have the bad capacitors then the blinking yellow light is a failure in the power supply unit.

I hope this helps, if so please rate our solution.

CCL_Tech
Corporate Computer
www.ccl-la.com

Aug 28, 2010 | Dell OPTIPLEX 745 PC Desktop

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